Under supervision (Lifeguard/Swim Instructor I) or general supervision (Lifeguard/Swim Instructor II), supervises patrons at the Hercules Swim Center facility and enforces all policies, procedures, and safety regulations related to operations of the facility. and performs related duties as assigned. DISTINGUISHING CHARACTERISTICS. . Lifeguard/Swim Instructor I. . Lifeguard/Swim Instructor I is the entry-level class in the Lifeguard/Swim Instructo...